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<p>Les mod&egrave;les Cron proviennent de l'outil "cron" (de "chronologique") des syst&egrave;mes UNIX. Ces mod&egrave;les peuvent para&icirc;tre &eacute;sot&eacute;riques au premier abord, ce sont en fait des moyens simples, puissants et &eacute;l&eacute;gants de d&eacute;finir un ensemble de param&egrave;tres de planification d'&eacute;v&egrave;nements.</p>

<p>Les mod&egrave;les Cron de ScadaBr sont r&eacute;gis par Quartz, une biblioth&egrave;que de planification bas&eacute;e sur Java. Plus d'informations sur le site:</p>
<p><a href="http://www.quartz-scheduler.org/documentation/quartz-2.3.0/tutorials/crontrigger.html" target="_blank">CronTriggers Tutorial</a></p>
<p><a href="https://www.freeformatter.com/cron-expression-generator-quartz.html" target="_blank">CronTriggers Generator</a></p>
<p>Example configuration: <b>1 */15 * * * ?</b> = At second :01, every 15 minutes starting at minute :00, of every hour </p>